Pam/Ppm/Pwm Modulation & Demodulation

SPECIFICATIONS:

Output voltages(Regulated) : ±12V DC, 5V DC (Inbuilt)

Sine wave audio frequency : 1KHz /0-10VP-P Approx, Sine wave 2 KHz/0-4VP-P  Approx

Square wave signal : 1 KHz & 2KHz/5VP-P  Approx

Pulse generator:  8KHz, 16KHz,32KHz, 64KHz/5V P-P Approx.

Voice communication : Voice link using dynamic Mic & Speaker

DC Output : 0-4V (Variable)

Housed in ABS cabinet, circuit diagram printed, connections of various components, 8 No's. fault switches & 29 test points brought at Glass Epoxy (PCB) front panel. Also provided power chords, patch chords, sensitive MIC, Ear phone & instruction manual.
Following experiments can be performed.

• To observe & study PAM, PPM & PWM modulated & demodulated waveforms
• To study PAM (Sample, Sample & hold & Flat-top) modulated outputs.
• To study PPM using DC and AC (sine wave) modulating signals.
• To study PWM & demodulation using different sampling frequencies. 
•  To study voice communication using PAM, PPM & PWM Techniques.
• Recovery of modulating signals from demodulator circuit